Page 10 - SOLAR SYSTEM
P. 10
A blue-green world
73 Ur-anus, the Dark, qugty rit,gs
sevehth plahet rr,orn /
the Suh, is about
. tour, times bigger,
thah Ear,th. It has
an atmosphere of
hydrogen and
heliu
an ocean of liquid ~ 1
water, ammonia , J Unlike the
er J:>lanets, Uranus SJ:>ins
and methane its side. This means that one
' surrounding a le faces the Sun for 42 years and
n the other pole faces the Sun for
rocky core. ears. Scientists think that Uranus
have been knocked onto its side
en an Earth-sized object crashed
I DON'T BE.LIE.VE. IT! o it while it was forming.
When Uranus was discovered in l'<lnus has 13 rings. They r-e-\!lect
, \18\, it was almost named Georg~uV. light than Saturn's rings, so
not as easily seen.
c;;du, (Georgian planet) a~ King
George7' 11-ot-Great'~ritain.
Uranus was instead chosen,
atter the ancient Greek
god the sky. ~ =~;;;;;;;;;;:
The Voyager 111ulfiplanet 1111ss10n
was ofriclally appr-oveq, anq work
began to buflq Voyager t anq its
twin, Voyager /.
